Mark Xu

New York, New York, United States

Bio

Professional summary

Mark Xu is a partner at Index Ventures, investing across stages in cybersecurity, infrastructure, and AI. Since joining Index, he has backed or partnered with founders building companies including Flapping Airplanes, Simile, Fireworks, Parallel, and 7AI. Before Index, he was a growth investor at Lightspeed, where he supported companies including Wiz, Glean, and Grafana.

Notable companies

Selected portfolio companies the partner has backed

Flapping AirplanesSimileFireworksParallel7AI

Background

Career, education, and skills

Career history

Index VenturesPartner
Lightspeed Venture PartnersGrowth investor

Education

Harvard UniversityMathematics, Economics, and Computer Science
The Juilliard SchoolViolin studies

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